Source: Futility Closet
I’ve written about this before, but I hadn’t realized a photo existed: In 1868 (!) Zadoc Dederick and Isaac Grass patented a steam-powered robot that pulled a cart. They invested $2,000 in a prototype, hoping to mass-produce top-hatted walking servants for $300 apiece.
The plan never went through, but it lives on in another way: The invention may have inspired Edward Ellis’ 1868 novel The Steam Man of the Prairies, in which a steam-powered robot carries teenage inventor Johnny Brainerd through a series of adventures:
It was about ten feet…
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